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What assumption did make in computing the probabilities

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Reference no: EM131742253

Question: More energy. Exercise shows the results of a Gallup Poll about energy. Suppose we select three people at random from this sample.

a) What is the probability that all three responded Protect the environment ?

b) What is the probability that none responded Equally important ?

c) What assumption did you make in computing these probabilities?

d) Explain why you think that assumption is reasonable.

Exercise: Energy 2007. A Gallup poll in March 2007 asked 1005 U.S. adults whether increasing domestic energy production or protecting the environment should be given a higher priority. Here are the results:

Response                              Number

Increase Production                  342

Protect Environment                 583

Equally Important                      30

No Opinion                               50

Total                                    1005

If we select a person at random from this sample of 1005 adults,

a) what is the probability that the person responded Increase "production"?

b) what is the probability that the person responded "Equally important" or had no opinion?

Reference no: EM131742253

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